Home / 36,105.57-54,157.82-12,732.21

Finding the Fourth Proportional to 36,105.57, 54,157.82 and 12,732.21

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Solution

The fourth proportional to 36,105.57, 54,157.82 and 12,732.21 is: 19,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.57 : 54,157.82 = 12,732.21 : x
  2. Step 2: Convert to fraction form
    36,105.57/54,157.82 = 12,732.21/x
  3. Step 3: Cross multiply
    36,105.57x = 54,157.82 × 12,732.21
  4. Step 4: Simplify right side
    36,105.57x = 689,548,673.72
  5. Step 5: Solve for x
    x = 689,548,673.72/36,105.57
  6. Step 6: Final answer
    x = 19,098.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.